P2569 – Low Ozone Direct Reduction Catalyst Temperature Sensor Circuit

Posted by

P2569 Possible Causes

  • Faulty direct ozone reduction catalyst temperature sensor
  • Direct ozone reduction catalyst temperature sensor harness is open or shorted
  • Poor electrical connection in ozone reduction catalyst temperature sensor circuit

How to Fix Code P2569

Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P2569 Meaning

The Engine Control Module (ECM) monitors the signal circuit of the direct ozone reduction catalyst temperature sensor. The ECM sets the OBDII code if the direct ozone reduction catalyst temperature sensor signal falls outside factory specifications.

Leave a Reply

Your email address will not be published. Required fields are marked *